An integrated device and method for gasification and incineration of organic solid waste

Abstract

The invention discloses an organic solid waste gasifying and incineration integrated device and method. The integrated device comprises a gasifying device, a high-temperature dedusting device, a heat storage type incineration device, an overheating and evaporation heat exchange device, a coal economizer and a power generation device. A gas outlet of the gasifying device is connected with an inlet of the high-temperature dedusting device, an outlet of the high-temperature dedusting device is connected with an inlet of the heat storage type incineration device, an inlet of the overheating and evaporation heat exchange device is connected with an outlet of the incineration device, an inlet of the coal economizer is connected with an outlet of the overheating and evaporation heat exchange device, and an outlet of the coal economizer is connected with a chimney. Saturated water, in the overheating and evaporation heat exchanged device, having been subjected to heat exchange becomes overheated steam for power generation through the power generation device, and waste heat left after power generation is used for providing energy for raw material preprocessing. By means of the organic solid waste gasifying and incineration integrated device and the method, gasification and high-temperature dedusting are combined with the heat storage and incineration process, and therefore near-zero emission of pollutants like dioxin and heavy metal can be achieved.

Description

technical field [0001] The invention belongs to the field of environmental protection technology, and relates to a gasification and incineration integrated device and method for near-zero emission of organic solid waste pollutants, in particular to realize near-zero emission of pollutants by incineration treatment of gasification gas generated by gasification of organic solid waste. And recover the energy contained in the gas. Background technique [0002] The treatment methods of organic solid waste mainly include landfill, composting and thermochemical treatment. The landfill method occupies a large amount of land, and its application is restricted in areas where land resources are scarce. In addition, the landfill method is also likely to cause secondary pollution of the surrounding environment and groundwater resources. The composting method has a long processing period and the restriction problem of composting product market sales. Thermochemical treatment methods mai...

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Problems solved by technology

[0005] The purpose of the present invention is to provide a controllable process pollutant and convert organic matter into energy through gasification gas incineration technology in order to solve the problems of difficult to control secondary pollution and poor gasification gas quality in the gasification process of organic solid waste. method

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